package modalities;

import java.util.Observable;
import java.util.Observer;

public class ObservableThing extends Observable {

	public ObservableThing(){
	}
	
	public ObservableThing(Observer o){
		this.addObserver(o);
	}

	public void addExternalObserver(Observer o){
		this.addObserver(o);
	}
	
	public void externalSetChanged()
	{
		this.setChanged();
	}
}
